#1 - (8.L.3.1 Prototype) -Which of the following limiting factors will most likely prevent furtherpopulation growth within an ecosystem?
a. excess water supply
b. food supply to the area
c. transportation availability
d. recycling of human goods
#2 - (8.L.3.2 Prototype) -A tick has caused a dog to be diagnosed with Lyme disease. What typeof relationship would this suggest exists between the tick and the dog?
a. mutualistic
b. parasitic
c. commensal
d. adaptive
#3 - (8.L.3.3 Prototype) -In a food web, energy flows from producer to consumers. What elseflows from producers to consumers?
a. soil and rock
b. carbon and oxygen
c. light and sound
d. chlorophyll and nitrogen
#4 - (8.L.3.3 Prototype) -Today, in many parts of the world people suffer from not havingenough food. One way that plant scientists could increase the amount of green plant food that is available for consumption by humans mightbe through the development of plants with larger leaves that wouldcapture more solar energy to be converted into food. Which cycle ofmatter would most likely be affected by such an increase in leaf size?
a. phosphorous
b. water
c. carbon dioxide
d. oxygen
#5 - (Regular #55) -In a food pyramid, which best explains why the number of organisms decreasesfrom one trophic level to the next?
A Consumers at the lower level require more energy than the top-level consumers.
B Consumers at the top level require more energy than the lower-level consumers.
C The consumers are feeding on larger organisms that have less energy.
D The consumers are feeding on smaller organisms that have less energy
#6 - (Extend2 #44) -Which is an example of a decomposer?
A grass
B worm
C cow
#7 - (Regular #33) -Which best explains the importance of nitrogen in the cycling of energy andmatter?
A Nitrogen increases protein production in plants.
B Nitrogen decreases protein production in plants.
C Nitrogen decreases the effectiveness of photosynthesis.
D Nitrogen increases the effectiveness of photosynthesis
#8 - (Extend2 #43) -How does water availability affect population size?
A An increase in water availability leads to an increase in population size.
B A decrease in water availability leads to an increase in population size.
C An increase in water availability leads to a decrease in population size.
#9 - (Regular #35) -If wolves prey on deer for food, what will most likely happen to the deerpopulation if wolves are removed from an area where deer live?
A The population of deer will increase.
B The population of deer will decrease.
C The population of deer will remain the same.
D The population of deer will become extinct.
#10 - (Extend2 #29) -Foxes often prey on rabbits for food. If all of the foxes are taken from theenvironment, what will most likely happen to the population of rabbits?
A The population of rabbits will be the same.
B The population of rabbits will increase.
C The population of rabbits will decrease.
#11 - (Regular #36) -Where do plants get most of the energy they need to live and grow?
A water
B soil
C air
D sunlight
#12 - (Extend2 #13) -A hawk catches a mouse. What does the hawk represent?
A predator
B producer
C prey
#13 - (Regular #15) -What happens to a population and to competition when there is a reduction ofliving space?
A The population expands and competition intensifies.
B Competition strengthens while the population contracts.
C The population increases as competition decreases.
D Competition weakens and the population decreases.
#14 - (Regular #16) -Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzucan die because they are starved of sunlight. What type of relationship existsbetween the trees and the kudzu growing on them?
A competition
B mutualism
C parasitism
D predator-prey